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Topic: Ultraviolet


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UV

In the News (Mon 24 Sep 18)

  
  ultraviolet purification equipment, water purifiers, air purifiers, ultraviolet germicidal lamps, uv
The method of ultraviolet germicidal light being used in purification and disinfection of water, air and surface is a unique and rapid method, without the use of heat or chemicals.
Throughout the years ultraviolet technology has become well established as a method of choice for its effectiveness, economy, safety, speed, ease of use, and because the process is free of by-products.
Atlantic Ultraviolet Corporation is committed to producing the finest quality product lines which utilize ultraviolet germicidal light, and all its benefits for purification, disinfection and sanitizing of water, liquid and air.
www.ultraviolet.com   (286 words)

  
 Ultraviolet Waves
The three regions are distinguished by how energetic the ultraviolet radiation is, and by the "wavelength" of the ultraviolet light, which is related to energy.
The near ultraviolet, abbreviated NUV, is the light closest to optical or visible light.
The extreme ultraviolet, abbreviated EUV, is the ultraviolet light closest to X-rays, and is the most energetic of the three types.
science.hq.nasa.gov /kids/imagers/ems/uv.html   (657 words)

  
  Ultraviolet Fly Traps, Professional Fly and Pest Control Products
Ultraviolet rays emitted by professional traps are not harmful to people or pets.
The power or effective range of an ultraviolet fly trap is determined by the power or wattage of the bulbs, the number of bulbs and (most importantly) the physical configuration of the trap.
The Exocutor Ultraviolet Fly Zapper is a 40 watt unit that covers 1,300 square feet; the Insectaflash Ultraviolet Fly Zapper is a 100 watt unit that covers 3,230 square feet.
www.pestproducts.com /ultraviolet_fly_traps.htm   (1121 words)

  
 Ultraviolet Info - Encyclopedia WikiWhat.com   (Site not responding. Last check: 2007-11-02)
Ultraviolet (UV) radiation is electromagnetic radiation of a wavelength shorter than that of visible light, but longer than that of soft X-rays.
Ultraviolet light is increasingly being used to disinfect drinking water and in waste water treatment plants.
Ultraviolet light is used for very fine resolution photolithography, as required for manufacture of semiconductors.
www.wikiwhat.com /encyclopedia/u/ul/ultraviolet.html   (733 words)

  
 Ultraviolet radiation - Facts from the Encyclopedia - Yahoo! Education   (Site not responding. Last check: 2007-11-02)
Vitamin D is produced by the action of ultraviolet radiation on ergosterol, a substance present in the human skin and in some lower organisms (e.g., yeast), and treatment or prevention of rickets often includes exposure of the body to natural or artificial ultraviolet light.
Ultraviolet radiation can be detected by the fluorescence it induces in certain substances.
The long-wavelength, "soft" ultraviolet radiation, lying just outside the visible spectrum, is often referred to as fl light; low intensity sources of this radiation are often used in mineral prospecting and in conjunction with bright-colored fluorescent pigments to produce unusual lighting effects.
messenger.yahooligans.com /reference/encyclopedia/entry/ultravio   (373 words)

  
 Ultraviolet (2006)   (Site not responding. Last check: 2007-11-02)
from Lawton, OK Ultraviolet was embarrassingly terrible on so many levels.
The kinds of movies that Ultraviolet tried to channel were X-Men, The Matrix and Underworld.
I think they should make a Ultraviolet 2
www.imdb.com /title/tt0370032   (657 words)

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